Home / 7,432.40-10,259.98-5,203.02

Finding the Fourth Proportional to 7,432.40, 10,259.98 and 5,203.02

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Solution

The fourth proportional to 7,432.40, 10,259.98 and 5,203.02 is: 7,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.40 : 10,259.98 = 5,203.02 : x
  2. Step 2: Convert to fraction form
    7,432.40/10,259.98 = 5,203.02/x
  3. Step 3: Cross multiply
    7,432.40x = 10,259.98 × 5,203.02
  4. Step 4: Simplify right side
    7,432.40x = 53,382,906.61
  5. Step 5: Solve for x
    x = 53,382,906.61/7,432.40
  6. Step 6: Final answer
    x = 7,182.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.